<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../react18/react.development.js"></script>
    <script src="../react18/react-dom.development.js"></script>
    <script src="../react18/babel.min.js"></script>
    <style>
        .box{
            width: 50px;
            height: 200px;
            border: 1px solid #ccc;
            list-style: none;
            background-color: rgb(143, 184, 227,.5);
            /* text-align: center; */
        }
    </style>
</head>
<body>
    <div id="app"> </div>
    <script type="text/babel">
        const course = ["html","css","js","react","node"]

        const vDOM = (
            <ul className="box">
              {
                course.map((item)=>{
                    return <li style={{color:"red"}}>{item}</li>
                })
              }  
            </ul>
        )

        ReactDOM.createRoot(document.getElementById("app")).render(vDOM)
    </script>
</body>
</html>